if you need to install this gyro in wltoys 284161 284131 K989 or ldrc A86,you need to check if your car servo connector is ZH1.5,if they are not,you should change to ZH1.5 connector,then you can install successfully

Description:
DUMBORC-Gyro for RC Cars, It is a device using gyro sensor and software algorithm to adjust steering output, providing you with a more stable and controlled driving experience. The Gyro"s heading hold effect manages steering output by automatically keeping the car"s tires aligned in the direction you choose. It will also precisely maintain car direction regardless of the amount of traction of the track or outside force apply to the car. With heading hold, the car is more maneuverable and controllable.
Item Brand:Dumborc
Item Number:G01/G02/G03
Item Name:Gyro
Material:Metal,AL6061 and electronic parts
Color:Blue,red,purple and black
Product Size:20.0*15.5*8.8mm
Product Weight:4.2g
Compatible Models:Drift racing rc cars vehicles models,such as wltoys 284161,284131,k989 and so on

Online Manual Download Please Click Here

Specification:
Operating Voltage:5~10V
Current:20mA/6V
Working Temperature:-10℃+50℃
Input Signal:PWM
Input Signal:PWM
Control System:PID control system
Input and Output Plug:ZH1.5MM
Accessory Package:ZH1.5 4P cable, ZH1.5 4P to DuPont cable, ZH1.5 3P to DuPont cable, screwdriver

Features:
Make corrective steering adjustment for RC cars.
DUMBORC gyro allows you to drive the RC car toward a given direction and taking precision turns at high speeds more manageable , more controllable and more stability.
Remote gain function
Integrated , compact , and lightweight
Compact size (20x15.5x8.8mm) and Lightweght (3.8g) realzed by high-density mounting technology.
GAIN(Gyro Gain Adjustment)
PCA(Priority Control Adjuster)
AGS (Anti Glitching System)


Package Included:
1 x DUMBORC Gyro(which number and color is optional chosen by yourself)